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BaseRepresentation
bin111011101010111…
…001001011100100
32120202202011000221
4323222321023210
54022240200004
6243201014124
733544131622
oct7352711344
92522664027
101001100004
11474105283
1223b324344
1312c533a88
1496d56512
155cd4c354
hex3bab92e4

1001100004 has 6 divisors (see below), whose sum is σ = 1751925014. Its totient is φ = 500550000.

The previous prime is 1001099971. The next prime is 1001100007. The reversal of 1001100004 is 4000011001.

Adding to 1001100004 its reverse (4000011001), we get a palindrome (5001111005).

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1001089600 + 10404 = 31640^2 + 102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001100004.

It is not an unprimeable number, because it can be changed into a prime (1001100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125137497 + ... + 125137504.

Almost surely, 21001100004 is an apocalyptic number.

It is an amenable number.

1001100004 is a deficient number, since it is larger than the sum of its proper divisors (750825010).

1001100004 is a wasteful number, since it uses less digits than its factorization.

1001100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250275005 (or 250275003 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001100004 is about 31640.1644117094. The cubic root of 1001100004 is about 1000.3665336367.

The spelling of 1001100004 in words is "one billion, one million, one hundred thousand, four".

Divisors: 1 2 4 250275001 500550002 1001100004